Heat Transfer For shell and tube heat exchanger, with increasing heat transfer area, the purchased cost per unit heat transfer area Decreases Passes through a maxima Increases Remains constant Decreases Passes through a maxima Increases Remains constant ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a shell and tube heat exchanger, the shell side fluid velocity can not be changed by changing the No. of baffles Tube layout Tube pitch Tube diameter No. of baffles Tube layout Tube pitch Tube diameter ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is the most controlling factor for the rate of bubble detachment from the hot solid surface? Liquid viscosity Hot surface temperature Interfacial tension Liquid density Liquid viscosity Hot surface temperature Interfacial tension Liquid density ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For a given ambient air temperature with increase in the thickness of insulation of a hot cylinderical pipe, the rate of heat loss from the surface would First decrease and then increase Increase Decrease First increase and then decrease First decrease and then increase Increase Decrease First increase and then decrease ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The radiation heat flux from a heating element at a temperature of 800°C, in a furnace maintained at 300°C is 8 kW/m². The flux, when the element temperature is increased to 1000°C for the same furnace temperature is 16.5 kW/m² 11.2 kW/m² 12.0 kW/m² 14.6 kW/m² 16.5 kW/m² 11.2 kW/m² 12.0 kW/m² 14.6 kW/m² ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The Stefan-Boltzman constant depends on the Temperature None of these Surface Medium Temperature None of these Surface Medium ANSWER DOWNLOAD EXAMIANS APP
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